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It's not spider lighting. Just feeds to switch and then switch lives. Only 4 switches per circuit. Won't be hard. Just thought u may be of some help. Other than tell people they can't do it or is stupid. Iv read more posts and most of you seem to just take the p ss out of the poster. Doesn't...

I do have a clue about testing. I said we didn't have a megger on site and will do it in the morning. I also said I will split the circuit in half and work from there. I will disconnect all lamp carry out IR tests and then one iv found the fault fix it then r1+r2 test. Followed by Zs. I will...

Funny how he stuck the light in the Incomer

Sorry? There is 2 lighting circuits each on its own rcbo. And I think you can double up on mcb now? I may be wrong. Any way, these are separate.

No. The earth has 50v through it. When all connected one rcbo will not set. Witch is a n to e fault. Correct? When disconnecting the earth it sets but the earth has a voltage of 50v. When the other cpc is connected the same RCBO trips even though it's not the same circuit. As I said could...

No... only one rcbo trips if both earth are connected

Yes I know. I'm taking it, there is a short between n and e. The bit I am struggling with is to why if I connect both cpc in the earth bar then why does one RCBO rip? And not the other. We didn't do the consumer unit install. Could it be possible the N are connected to the wrong RCBO ...

Really helpful you lot

Anyway so know will try to help just say should of tested before witch I already know. But why does it trip when both earth are connected ?

I knew it was a n and e fault straight away. That's I tested to the earth to see how much voltage come through. Didn't have a tester on site but will test it tomorrow I understand about testing before powering up but in the case we only wanted it on for a hour so we could pack up.

Yes. Not carried out a test yet. As we tried to get the lights on for the last hour. We will test I will carry out some testing in the morning but was hoping you lot could help shed some light on it. I will split the circuit in half and work from there. I think it's strange how both earth's...

Hello, I'm currently training and have been for 3 years. Today we are 2nd fixing a house. There are 2 lighting circuits, both connected to the RCBO. When the earth is connected it trips. Now i know there may be a fault between n and e. When tured on with the e out the RCBO sets. If tested...